Question

indicated by
1. A foodstuff gives a blue-black colour with dilute iodine solution. Name the
this test.
2. Name the solution which can be used to test the presence of starch in a
3. Which vitamin is easily destroved by heat during the cooking of food
4. When a little of food material is rubbed in the centre of a paper and
bright greasy patch (translucent patch) is observed. Name the component o
material is rubbed in the centre of a paper and then the paper is held towards lich
5. When the suspension of a food-stuff is made alkaline by a
anslucent patch) is observed. Name the component of food indicated by this tes!
then a few drops of copper sulphate solution are added, a
of food indicated by this test.
copper sulphate solution are added, a violet colour is produced. Name the constitue
​

Answer 1

1)A potato.

2)Dilute iodine solution.

3)vitamin c.

4)oil.

5)milk.

mark be brainlist.